-ene cccc cccf cccp cccs ccee ccfc ccff ccnc ccne ccnf ccnp ccnr ccns ccpe ccpn ccpp ccpr ccps ccrc ccre ccrf ccrp ccrs ccrt ccsf ccsn ccsp ccss ccst cctc cctt cec- cece cecp cecs cect ceec cees cef- cefc cefn cen- cene cens cent cepc cepe cepp cepr ceps cept cer- cerc cere cerf cern cerp cers cert cesc cese cesp cesr cess cest cet- cete cetp cets cfcf cfcn cfcs cffr cfnr cfns cfpr cfps cfre cfrn cfrp cfrt cfse cftc cfte cftr cncp cnep cnes cnet cnrc cnrr cnrt cnss cntc cntf cntr cpce cpcs cpep cper cpff cpft cpns cpnt cpps cpre cprs cprt cpsc cpsr cptp cptr cpts crcc crce crcr cre- crec cree cren crep cres cret crfc crfs crne crns crpc crps crrt crsp crss crst crtc crtf crtp crts cscc csce cscf cscr cscs csec csee csep cser cset csfc csfr csne csnp cspc cspe csps cspt csrc csrs csse cssr cstc cstr csts ctcf ctcp ctec cten ctep ctfc ctfs ctne ctns ctpp ctps ctrc ctrn ctrp ctrs ctsc ctsn ctss cttn ctts eccc ecce ecct ecef eces ecfc ecfr ecfs ecne ecpp ecrc ecrf ecrr ecsc ecse ecsp ecss ect- ectc ectf ects eecs eeee eees eefe eefn eens eent eeps eerc eers eese eetc eete eets efen efes efet effs eft- eftp efts ence encs enee ener enes enfp ennc enne enns enp- enrs ense enst ent- ente entp entr ents epcc epec epee epen eper epes epfc epns eppc eppp epps eprp eprs epsc epsf epsp epss epte ercc erce ercp erec eren erer eres eret erfc erfs erft erne erns erpe erps errc erre errs erse erst erts esce escr escs esee esen eser eses eset esfp esfs esne espc espe espn espp esps esse essp esst estc este estp estr ests etcc etcs etec etee eten eter etes etfc etfe etne etnr etns etre ette ettn fccf fccp fces fcps fcsc fcst fece fect feen feer fees feet fefc fefe feff fene fenn fens fent fepc feps ferc fere fern ferr fers fert fese fess fest fete fetp fetr fets fett ffcc ffee ffff ffps ffrr ffss fftf fnet fnrs fnsp fp-c fpcc fpct fprf frcc frcn frcp free fren frep fres fret frfc frns frps frsc frst fscc fsec fspc fspf fssc fssf fssp ft-c ften fter ftfc ftpe ftps ftrs ftse ftsr nccc nccf nccn nccp nccr nccs ncct ncec ncee ncef ncen ncep ncer nces ncfc ncfe ncnc ncpc ncrc ncre ncrp ncsc ncse ncsf ncss ncst nctc ncte nctr necc nece necr necs nect neef neen neep neer nees neet nefe neff nefs nene nens nent nepc nepe nepr neps nept nerc nere nerf nerr ners nert nesc nese nesn nesr ness nest net- nete nets nett nfct nfer nfff nfps nfrs nfsr nftc nnes nnnn nnpr nnss nntn npcc npes nppc nprt npss nptc npte nptn nrcs nren nrfc nrpc nrpn nrps nrrc nrsc nrsp nrts nscc nscs nsec nsep nser nsfc nsfs nsnr nspc nsps nsrc nssc nsse nssf nssp nssr nsss nstc nstp nsts ntcc nter ntes ntfc ntfp ntfs ntpc ntrc ntsc ntsf ntss nttr pccc pcce pccs pcep pcer pcfc pcns pcnt pcpn pcpp pcps pcrc pcre pcrf pcse pcte pcts pece pecr pecs pect peec peen peep peer pees peet pefc peff pefs pen- penc pene penn pens pent pepe peps per- perc pere perf pern perp perr pers pert pese pess pest pete petn petr pets pett pfce pfcs pfet pfff pffr pfft pfps pfte pnec pnes pnet pnpp pnsc pntr ppcc ppcs ppen pper pppn pppp ppps pprc pprf ppsf ppss pptn ppts pptt prcc prcf prcp prcs pre- prec pree pref pren prep pres pret prfc prfs prnp prps prrs prsc prse prss prtc prtp prtr psec psfs psnc psnr pspp pspr psps psrp pssc psse psst psts ptcc pten pter ptrf pttc rccc rccs rcep rcet rcfc rcnr rcps rcpt rcsc rcss rctc rcts recc rece recp recr recs rect reef reen reep rees reet refe reff refn refr refs reft rene renn rens rent repe repp repr reps rept rere rers rert rese resn resp ress rest rete retr rets rett rfef rffc rftc rncp rncs rnnt rnsp rntp rpcs rpet rpfc rppn rpps rptn rpts rrfc rrrr rrsp rscc rscn rscs rsee rsfc rsnn rsnr rsps rsre rstp rsts rtcc rtce rtee rtes rtfc rtns rtps rtss rttp rtts sccc scce sccp sccs scct scec scee scep scer scet scfc scfe scnr scnt scpe scps scpt scr- scrc scre scrn scrs scsc scsn scsr scst sctc sctn sctr scts se-c se-e se-f se-n se-s se-t sec- secc sece secn secr secs sect seec seef seen seep seer sees seet seff seft sene senn senr sens sent sepe sepn sepp sepr seps sept serc sere serf sern serp serr sers sert sesc sese sess sest set- setc sete setf sets sett sfcc sfcs sfer sffc sfne sfnt sfpc sfrc sfss sftp sfts sncc sncf sncp snee snep sner snes snet snns snpp snrs snte sntr spcc spcs spec spee spef spen sper spes spet spfc spfs spne spns sppf spps sprs spse spsp spss spst sptc sptr spts srcc srct srec sres srfc srnn srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset ssfc ssfp ssns sspc sspe sspf ssps sspt ssrc ssrs sssc sssf ssss sstc sstp ssts stcc stcp stcs stec stee stef sten step ster stes stet stfc stfn stnn stnr stns stpf stpp stps strc stre strn strs stsf stss sttc sttr tccc tcep tcfc tcnn tctc tcts tecr tecs tect teec teef teen teer tees teet tefc teff teft tenc tene tenn tenp tens tent tepe tepp ter- terc tere terf tern terp terr ters tesc tese tesp tess test tete tetr tets tett tfec tfnp tfpt tfrs tfss tftc tftp tncc tnef tnes tnfc tnsp tnts tpcp tpcs tper tppp tppr tprs tpsc tpte tptp tptr trcc tre-